Home / 88,639.55-132,960.48-29,475.21

Finding the Fourth Proportional to 88,639.55, 132,960.48 and 29,475.21

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Solution

The fourth proportional to 88,639.55, 132,960.48 and 29,475.21 is: 44,213.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,639.55 : 132,960.48 = 29,475.21 : x
  2. Step 2: Convert to fraction form
    88,639.55/132,960.48 = 29,475.21/x
  3. Step 3: Cross multiply
    88,639.55x = 132,960.48 × 29,475.21
  4. Step 4: Simplify right side
    88,639.55x = 3,919,038,069.70
  5. Step 5: Solve for x
    x = 3,919,038,069.70/88,639.55
  6. Step 6: Final answer
    x = 44,213.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.